Home / 755,077.32-1,042,014.06-415,553.40

Finding the Fourth Proportional to 755,077.32, 1,042,014.06 and 415,553.40

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Solution

The fourth proportional to 755,077.32, 1,042,014.06 and 415,553.40 is: 573,467.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,077.32 : 1,042,014.06 = 415,553.40 : x
  2. Step 2: Convert to fraction form
    755,077.32/1,042,014.06 = 415,553.40/x
  3. Step 3: Cross multiply
    755,077.32x = 1,042,014.06 × 415,553.40
  4. Step 4: Simplify right side
    755,077.32x = 433,012,485,480.80
  5. Step 5: Solve for x
    x = 433,012,485,480.80/755,077.32
  6. Step 6: Final answer
    x = 573,467.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.